Enhance usability and localization across components: Update USABILITY_CONCEPT.md with new focus areas, improve user feedback in AppFooter and FamilyView components, and refine text in various UI elements for better clarity and consistency. Replace console logs with user-friendly messages, correct German translations, and streamline interaction logic in multiple components.

frontend/src/views/minigames/TaxiGame.vue

@@ -411,7 +411,6 @@ export default {
     }, 2 * 60 * 1000); // alle 2 Minuten
   },
   beforeUnmount() {
-    console.log('🚪 Component unmounting, cleaning up...');
     this.cleanup();
   },
     methods: {
@@ -854,8 +853,6 @@ export default {
     },
 
     cleanup() {
-      console.log('🧹 Starting cleanup...');
-      
       // Game Loop stoppen
       if (this.gameLoop) {
         clearTimeout(this.gameLoop);
@@ -929,20 +926,15 @@ export default {
       this.passengerImages = {};
       this.carImage = null; // Auto-Bild bereinigen
       this.tiles = null;
-      
-      console.log('🧹 Cleanup completed');
     },
     
     // Regelmäßige Memory-Cleanup-Methode
     performMemoryCleanup() {
-      console.log('🧹 Performing memory cleanup...');
-      
       // Canvas NICHT leeren – das verursacht sichtbares Flackern / Grau
       // Wir verlassen uns auf das reguläre render() zum Überschreiben des Frames
       
       // Traffic Light States aggressiver bereinigen
       if (this.trafficLightStates && Object.keys(this.trafficLightStates).length > 20) {
-        console.log('🧹 Cleaning up traffic light states');
         // Nur States für aktuelle Map behalten
         if (this.currentMap && this.currentMap.tiles) {
           const currentTileKeys = new Set();
@@ -966,12 +958,10 @@ export default {
       
       // Passagier-Listen aggressiver begrenzen
       if (this.waitingPassengersList && this.waitingPassengersList.length > 20) {
-        console.log('🧹 Trimming waiting passengers list');
         this.waitingPassengersList = this.waitingPassengersList.slice(-10);
       }
       
       if (this.loadedPassengersList && this.loadedPassengersList.length > 20) {
-        console.log('🧹 Trimming loaded passengers list');
         this.loadedPassengersList = this.loadedPassengersList.slice(-10);
       }
       
@@ -989,8 +979,6 @@ export default {
       if (window.gc) {
         window.gc();
       }
-      
-      console.log('🧹 Memory cleanup completed');
     },
     
     generateLevel() {